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Billy C. Frederick

E-E-Systems: 1 patents #90 of 229Top 40%

Rowlett, TX: #171 of 304 inventorsTop 60%

Texas: #73,555 of 125,132 inventorsTop 60%

Overall (All Time): #3,753,982 of 4,157,543Top 95%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5561654	Compact write system for optical tape recording	Scott M. Hamilton, Rodney C. Hibner, II	1996-10-01